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-rw-r--r--test/bench/go1/template_test.go76
1 files changed, 76 insertions, 0 deletions
diff --git a/test/bench/go1/template_test.go b/test/bench/go1/template_test.go
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+++ b/test/bench/go1/template_test.go
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+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// This benchmark tests text/template throughput,
+// converting a large data structure with a simple template.
+
+package go1
+
+import (
+ "bytes"
+ "io"
+ "strings"
+ "testing"
+ "text/template"
+)
+
+// After removing \t and \n this generates identical output to
+// json.Marshal, making it easy to test for correctness.
+const tmplText = `
+{
+ "tree":{{template "node" .Tree}},
+ "username":"{{.Username}}"
+}
+{{define "node"}}
+{
+ "name":"{{.Name}}",
+ "kids":[
+ {{range $i, $k := .Kids}}
+ {{if $i}}
+ ,
+ {{end}}
+ {{template "node" $k}}
+ {{end}}
+ ],
+ "cl_weight":{{.CLWeight}},
+ "touches":{{.Touches}},
+ "min_t":{{.MinT}},
+ "max_t":{{.MaxT}},
+ "mean_t":{{.MeanT}}
+}
+{{end}}
+`
+
+func stripTabNL(r rune) rune {
+ if r == '\t' || r == '\n' {
+ return -1
+ }
+ return r
+}
+
+var tmpl = template.Must(template.New("main").Parse(strings.Map(stripTabNL, tmplText)))
+
+func init() {
+ var buf bytes.Buffer
+ if err := tmpl.Execute(&buf, &jsondata); err != nil {
+ panic(err)
+ }
+ if !bytes.Equal(buf.Bytes(), jsonbytes) {
+ println(buf.Len(), len(jsonbytes))
+ panic("wrong output")
+ }
+}
+
+func tmplexec() {
+ if err := tmpl.Execute(io.Discard, &jsondata); err != nil {
+ panic(err)
+ }
+}
+
+func BenchmarkTemplate(b *testing.B) {
+ b.SetBytes(int64(len(jsonbytes)))
+ for i := 0; i < b.N; i++ {
+ tmplexec()
+ }
+}